<?php

class UserController extends Controller
{
    /**
     * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
     * using two-column layout. See 'protected/views/layouts/column2.php'.
     */
    public $layout = '//layouts/column2';

    /**
     * @return array action filters
     */
    public function filters()
    {
        return array(
            'accessControl', // perform access control for CRUD operations
        );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules()
    {
        return array(
            array('allow', // allow all users to perform 'index' and 'view' actions
                'actions' => array('index', 'view', 'register',
                    'captcha', 'exists', 'regfinish', 'SendConfirmMail', 'activate'),
                'users' => array('*'),
            ),
            array('allow', // allow authenticated user to perform 'create' and 'update' actions
                'actions' => array('create', 'update'),
                'users' => array('@'),
            ),
            array('allow', // allow admin user to perform 'admin' and 'delete' actions
                'actions' => array('admin', 'delete'),
                'users' => array('admin'),
            ),
            array('deny', // deny all users
                'users' => array('*'),
            ),
        );
    }

    /**
     * Displays a particular model.
     * @param integer $id the ID of the model to be displayed
     */
    public function actionView($id)
    {
        $this->render('view', array(
            'model' => $this->loadModel($id),
        ));
    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
    public function actionCreate()
    {
        $model = new User;

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if (isset($_POST['User'])) {
            $model->attributes = $_POST['User'];
            if ($model->save())
                $this->redirect(array('view', 'id' => $model->id));
        }

        $this->render('create', array(
            'model' => $model,
        ));
    }

    /*
     * 用户注册/注册表单提交
     * */
    public function actionRegister()
    {
        $user = new User;

        if (!empty($_POST)) { // 保存表单,注册新用户
            $email = $_POST['email'];
            $now = date('Y-m-d H:i:s');

            $user->name = $_POST['name'];
            $user->email = $email;
            $user->password = md5($_POST['password']);
            $user->last_login = $now;
            $user->create_time = $now;
            $user->update_time = $now;
            $user->nick = substr($email, 0, strpos($email, '@') - 1);
            $user->verifyCode = $_POST['verifyCode'];

            // 保存成功后将返回true,重定向到首页
            if ($user->save()) {
                // 将注册时填写的email地址保存到session中
                // Alternate: session->add();
                Yii::app()->session['email'] = $user->email;

                // 同时也将这个email保存到客户端的cookie中
                $cookieEmail = new CHttpCookie('email', $user->email);
                Yii::app()->request->cookies['email'] = $cookieEmail;

                // 发送"注册确认信"
                $this->getMailer()->send($user->email, '注册确认邮件', '注册成功了<br>系统自动发送,勿回复!');
                $this->redirect(array('user/regfinish'));
            }
            // TODO: 把重定向到首页换成重定向到"注册的第二步"
        } else {
            $this->render('auth/register', array('model' => $user));
        }
    }

    public function actionActivate()
    {
        $hr = 1; // 成功
        $this->render('activate', array('hr' => $hr));
    }

    public function actionVerify(){

    }

    public function actionRegFinish()
    {
        $this->render('auth/register-finish', array('email' => Yii::app()->session['email']));
    }

    public function actionSendConfirmMail($email = null)
    {
        try {
            // 发送"注册确认信"
            $this->getMailer()->send($email, '注册确认邮件', '注册成功了<br>系统自动发送,勿回复!');
            echo true;
        } catch (Exception $e) {
            echo false;
        }
    }

    /**
     * 用于异步Ajax请求检查用户名是否唯一
     * @return string 返回true/false,
     * 如果该用户名已经被注册,返回true,如果还没被注册,返回false
     */
    public function actionExists()
    {
        if (isset($_POST['name'])) {
            $name = $_POST['name'];
            $model = User::model()->findByAttributes(array('name' => $name));

            if ($model !== null) { // 该用户名已经被注册
                echo true;
                exit;
            }
        }
        echo false;
     }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
    public function actionUpdate($id)
    {
        $model = $this->loadModel($id);

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if (isset($_POST['User'])) {
            $model->attributes = $_POST['User'];
            if ($model->save())
                $this->redirect(array('view', 'id' => $model->id));
        }

        $this->render('update', array(
            'model' => $model,
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'admin' page.
     * @param integer $id the ID of the model to be deleted
     */
    public function actionDelete($id)
    {
        if (Yii::app()->request->isPostRequest) {
            // we only allow deletion via POST request
            $this->loadModel($id)->delete();

            // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
            if (!isset($_GET['ajax']))
                $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
        }
        else
            throw new CHttpException(400, 'Invalid request. Please do not repeat this request again.');
    }

    /**
     * Lists all models.
     */
    public function actionIndex()
    {
        $dataProvider = new CActiveDataProvider('User');
        $this->render('index', array(
            'dataProvider' => $dataProvider,
        ));
    }

    public function actionUpdateAvatar()
    {

    }


    /**
     * Manages all models.
     */
    public function actionAdmin()
    {
        $model = new User('search');
        $model->unsetAttributes(); // clear any default values
        if (isset($_GET['User']))
            $model->attributes = $_GET['User'];

        $this->render('admin', array(
            'model' => $model,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer the ID of the model to be loaded
     */
    public function loadModel($id)
    {
        $model = User::model()->findByPk($id);
        if ($model === null)
            throw new CHttpException(404, 'The requested page does not exist.');
        return $model;
    }

    /**
     * Performs the AJAX validation.
     * @param CModel the model to be validated
     */
    protected function performAjaxValidation($model)
    {
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'user-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }

    // 我添加的,用来支持验证码
    public function actions()
    {
        return array(
            'captcha' => array(
                'class' => 'CaptchaExtendedAction',
                //设置验证码图片背景色属性
                'backColor' => 0xffffff,
            ),
        );
    }

    protected function getMailer()
    {
        return Yii::app()->getComponent('mailer');
    }
}
